The number of internally displaced Syrian stands at more than 6 million while the security for those still in Syria continues to remain a serious issue.There are three million Syrian refugees around the world, but only a few are in the United States.Many of them do not know whether they will get asylum despite a pledge from the Obama administration to ease.Some families arrived in the US just over a year ago hoping to claim asylum, but months after their tourist visas expired they are now facing delays and uncertainty.Al Jazeera's Andy Gallacher reports from New Jersey, US.